This Aug. 2, 2017 photo provided by the Audubon Canyon Ranch shows two mountain lion kittens they are tracking in Sonoma County near Glen Ellen, Calif., north of San Francisco. The kittens were last photographed when they were just 10 days old, and are expected to stay with their mother for up to two years before they separate and hunt for themselves. (Quinton Martins/Audubon Canyon Ranch via AP)

This Aug. 2, 2017 photo provided by the Audubon Canyon Ranch shows two mountain lion kittens they are tracking in Sonoma County near Glen Ellen, Calif., north of San Francisco. The kittens were last photographed when they were just 10 days old, and are expected to stay with their mother for up to two years before they separate and hunt for themselves. (Quinton Martins/Audubon Canyon Ranch via AP)

This undated photo provided by the Audubon Canyon Ranch shows two 10-day-old mountain lion kittens they are tracking in Sonoma County near Glen Ellen, Calif., north of San Francisco. The kittens were photographed again on Aug. 2, 2017, and are expected to stay with their mother for up to two years before they separate and hunt for themselves. (Quinton Martins/Audubon Canyon Ranch via AP)